"Say unto them, As I live, saith the Lord GOD, I have no pleasure in the death of the wicked; but that the wicked turn from his way and live: turn ye, turn ye from your evil ways; for why will ye die, O house of Israel?"
Here are some sermons on Ezekiel 33:11 (Audio):
Pleading and Encouragement, by Pastor Charles Haddon Spurgeon (1834-1892)
The Causes and Danger of Slighting Christ and His Gospel, by Richard Baxter (1615-1691)
Reasons for Not Dying Spiritually, by Dr. Joel Beeke
God's Reasoning With Sinners, by Rev. Colin Mercer
A Matter of Life and Death, by Rev. Roger Higginson
God's Delight in the Life of the Wicked, by Hermon Hoeksema (1886-1965) [Note: This sermon was preached in 1954]
Turn Back! Turn Back! by James Hamilton, The Street Preacher